<template>
  <div>
    <el-container>
      <!-- 侧边栏 -->
       <el-aside :width="asideWidth" style=" min-height: 100vh; background-color: #001529;">
        <div style="height: 60px; color: white; display: flex; align-items: center; justify-content: center;">
          <img src="@/assets/logo1.jpg" alt="" width="40px" height="40px">
          <span style="margin-left: 5px; font-size: 20px;" v-show="!isCollapse">这是管理系统</span>
        </div>
        <el-menu :collapse ="isCollapse" :collapse-transition="false" router background-color="#001529" text-color="rgba(255, 255, 255, 0.65)" active-text-color="#fff" style="border: none" :default-active="$route.path">
          <el-menu-item index="/">
              <i class="el-icon-house"></i>
              <span slot="title">系统首页</span>
          </el-menu-item>
          <el-menu-item index="/element">
              <i class="el-icon-house"></i>
              <span slot="title">element</span>
          </el-menu-item>
          <el-menu-item index="/a">
              <i class="el-icon-house"></i>
              <span slot="title">系统首页</span>
          </el-menu-item>
          <el-submenu>
            <template slot="title">
              <i class="el-icon-menu"></i>
              <span >信息管理</span>
            </template>
            <el-menu-item>用户信息</el-menu-item>
            <el-menu-item>其他信息</el-menu-item>
            <el-menu-item index="/b">
              <i class="el-icon-house"></i>
              <span slot="title">系统首页</span>
          </el-menu-item>
          </el-submenu>
        </el-menu>
       </el-aside>
       <el-container>
      <!-- 头部区域 -->
       <el-header>
        <i :class="collapseIcon" style="font-size: 30px;" @click="hidenAside"></i>
        <el-breadcrumb style="margin-left: 20px;">
          <el-breadcrumb-item :to="{path: '/'}">首页</el-breadcrumb-item>
          <el-breadcrumb-item :to="{path: '/user'}">用户管理</el-breadcrumb-item>
        </el-breadcrumb>
        <div style="flex: 1; width: 0; display: flex; align-items: center; justify-content: flex-end;">
          <i class="el-icon-full-screen" style="font-size: 30px;" @click="full"></i>
          <el-dropdown placement="bottom">
            <div style="display: flex; align-items: center;">
              <img src="@/assets/logo1.jpg" alt="" style="width: 40px; height: 40px; margin: 0 10px;">
              <span>管理员</span>
            </div>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item>个人信息</el-dropdown-item>
              <el-dropdown-item el-dropdown-item>修改密码</el-dropdown-item>
              <el-dropdown-item @click="">退出登录</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
        </div>
       </el-header>

       <!-- 主体区域 -->
        <el-main>
          主体区域
        </el-main>
      </el-container>
    </el-container>
  </div>
  
</template>

<script>

export default {
  name: 'HomeView',
  data() {
    return {
      isCollapse: false,
      asideWidth: '200px',
      collapseIcon:'el-icon-s-fold'
    }
  },
  methods: {
    full() {
      document.documentElement.requestFullscreen();
    },
    hidenAside() {
      this.isCollapse = !this.isCollapse;
      this.asideWidth = this.isCollapse ? '64px' : '200px';
      this.collapseIcon = this.isCollapse ? 'el-icon-s-unfold' : 'el-icon-s-fold';
    }
  }
}
</script>

<style>
  .el-menu--inline .el-menu-item{
      background-color: #000c17 !important;
  }
  .el-menu-item:hover, .el-submenu__title:hover{
    color: #fff !important;
  }
  .el-submenu__title:hover i{
    color: #fff !important;
  }
  .el-menu-item.is-active {
    background-color: #1890ff !important;
    border-radius: 8px;
  }
  .el-menu-item{
    height: 40px;
    line-height: 40px;
    margin: 4px;
  }
  .el-submenu__title{
    height: 40px;
    line-height: 40px;
    margin: 4px;
  }
  .el-menu--inline .el-menu-item{
    margin: 0 !important;
  }
  .el-submenu__icon-arrow{
    margin-top: -4px;
  }
  .el-tooltip i{
    text-indent: -8px;
  }
  .el-submenu__title i{
    text-indent: -8px;
  }
  .el-aside{
    transition: all .3s;
    box-shadow: 2px 0 6px rgba(0, 21, 41, .35);
  }
  .el-header{
    box-shadow: 2px 0 6px rgba(0, 21, 41, .35);
    display: flex;
    align-items: center;
  }
</style>
